Thread-dressing machine.



"N0. 735,745. PATENTED ADG. 11, 190s.V

G. A. EEEDENEURGE. rEHEEAD DRESSING MACHINE.

APPLIOATION FILED IVAN. 14, 1903.

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UNITED VSTATES Patented August 11, 1903.

vGEORGE A. FREDENBURGH, OF PAWTUOKET, RHODE ISLAND.

THREAD-DRESSING,MACHINE SPECIFICATION forming part of Letters Patent No.735,745, dated August 11, 1903. Application nea January 14, 190s. serialNo. 139,065. (Neiman.)

To-LZZ whom it may concern.-

Beit known that I, GEORGE A; FREDEN- BURGH, a citizenV of the UnitedStates, residing at the city of Pawtucket, inthe county of Providenceand State ofV Rhode Island,`hav`e invented certainnew and usefulImprovements in Thread-Dressing Machines, of which the following is Yaspecification. Y

My invention relates to a thread-feeding mechanism adapted for athread-dressing machine; and the object of my invention isi to provideclothcovered shafts adapted to, feed the thread, said shafts rotatablymount-i ed on the said machine and drivenby suitablel means thereon, anda series 'of simi1arly1arl ranged spring-*controlled devices mounted onthe frame of the machine, each of` said devices carrying a rolleradapted to engage the thread upon the surface of the said clothcoveredshafts and each of said devices pro.

vided with means for the ready insertion `of a thread in case ofbreakage during 'the' op` eration of the feedingmechanism.

The invention consistsof` the novel construction and combination` ofthe' several parts, as hereinafter described and specifically set forthin the claims.

In the accompanying drawings, Figure l represents a top plan view ofmyimproved thread-feeding mechanism as applied to the frame of athread-dressing machine. Fig. 2 is an enlarged cross-sectional view ofthe cloth-covered shafts, taken in line X X of Fig. l, together with aside elevation of one of the spring-controlled roller devices as inoperation upon lthe machine and also showing in dottedlines the positionof said device when a thread is tobe tied after breakage of the same.Fig. 3 is a topv plan view of a spring-controlled roller device securedto the frame of the machine. Fig. 4 is a front elevation of the drivingarrangement for rotating the cloth-covered shafts and also showing aspring-controlled Idevice in positiony upon the same, and Fig; 5 is aperspective View of the bracketfor retaining the frame of the rollerdevices in position during the feeding of the thread.

Like letters indicate like parts.

Referring to Fig. l, A A represent two horizontal shafts of equal sizeand having their end portions mounted in brackets B B,

which are secured to the endiframes C C of the .machine by bolts d d.Each of the shafts AA isrcovered by clothA' A@ stitched orotherwise.secured in place and extending to a point near to each of the saidbrackets B B. ce are two abuts the inner side of one of the brackets B.

The shafts A A, constructed as described, are mounted in boxes of thebrackets B B and are .held in position thereon by bolts b b, which enterthrough caps B B'. One of the brackets B has' an integral hub f (seeFig. 4)

situated centrally of and` beneath'the two shafts A A. This hub isprovided with a circular opening to receive a short shaft A2, on one endof which is made fast a spur-gear e',

which meshes with each of the aforesaid gears e e, and on 'the oppositeend portion of the said shaft A2 is keyed a cone-pulley g, which isdriven by a belt 7L, having connection with another cone-pulley (notshown) mounted on the main or driving shaft of the machine. The gears ee of the cloth-covered shafts A A are situated `apart from each other.Hence the gear e, revolving in the arrow direction, drives each of thesaid gears e c in the reverse direction,a's indicated by the arrows inFig. 2. This construction and arrangement of parts as describedcomprises the means for carrying or feeding the thread upon thecloth-covered shafts as it comes up from the sizing-box (not shown) andwhich means forms a part of my improvement, op-

erating in conjunction with a secondary attachment or device forengagement with the said cloth-covered shafts to --permit of the propertension of the --threadwand'flprovidedI with means for the insertion ofthe thread in case of breakage during. the `operatitml of -its feedingmechanism. Thee'ons'tructin'bf Vthis device I will now-proceed toexplain,

' Referring to Figs..2 and'3, Dr-repres'ents a frame provided with arectangular opening i, and centrally of the walls jj of said frame issecured a stud 7a, upon which is mounted a circular disk or roller E,whose peripheral surface is made to contact upon the cloth surface ofeach of the shafts A A. The frame D has an ear Z, integral at the rearportion thereof, by which ear the frame is pivotally connected with apin m, which is se IOO cured in ears n and n of a support n2, whichsupport is secured in position by bolts 0 o, that enter through thatportion of the machine-frame C which extends longitudinally with thecloth-covered shafts A A. At the opposite or front end of the frame D isprovided a knee-lever p, pivotally mounted on a pin p', which is rivetedto an ear q, integral of the said frame. r is a coil pull-spring, oneend of which is connected to an arm of the said knee-lever p and havingits opposite end attached to a hook s of a shaft t, which extendsparallel with the cloth-covered shafts A A, and having its ends securedin the brackets B Bin the manner as shown in Figs. 1 and 4. The purposeof the pullspring r is to make the roller E bear against theclothcovered shafts, so that the proper tension is obtained upon thethread during its feeding movement from between the said roller and saidcovered shafts and the twister mechanism (not shown) above, and at thesame time this roller E serves to squeeze out the sizing, which iscarried by the thread from a sizebox (not shown) below, leaving only anamount sufficient to saturate the thread prior to finishing. A latch u.is pivoted on the frame D at a point u, and a pull-spring r has one endconnected to said latch, as at r, and ils opposite end connected to saidframe, as at u, and said spring serves to engage the latch with an armof the kneelever p and hold the same in position during the time theroller E is in contact with the cloth-covered shafts. A thread-guide wis secured by a screw zu' to the ear Z of the frame D. The other end ofsaid thread-guide is circularly bent and situated centrally of the faceof the roller E. The frame D, which carries said roller, is providedwith a slot formed through one of its walls for the insertion of thethread Ja. The thread fr', which comes up from the sizing-box, passesover the surface of the front rotating cloth-covered shaft A, under andin contact with the circular surface of the rollerE, over the surface ofthe rear rotating cloth-covered shaft A, from whence it passes upthrough the eye of the thread-guide w to be directed to the twistermechanism above. y/ is abracket extending longitudinally of the frame cand hasits ends secured to the same by bolts y y', as seen in Figs. 1and 2. Said bracketis provided with a series ot' vertical openings y2y2, formed in the upper portion of its wall, (see Fig. 5,) and of a sizeto receive the width of the rear portion of the frame D. Said bracket isarranged to retain the frame D in its relative position when its rollerE is in contact with the covered shafts A A. Now if perchance the threadshould break during its operation of feeding all that is necessary onthe part of the operator is to move the latch u from its engagement withthe arm of the knee-lever p, which movement will cause the mainpull-spring fr to swing the said lever to the position indicated bydotted lines in Fig. 2, after which the frame is tilted up by the handof the op-l erator to the position shown in dotted lines in said figure.A space is provided between the ear I of the frame D and the ear u ofthe support n2, so that when the frame is carried to the positionaforesaid it may be forced toward the left to the position shown at 5 inFig. 1, and the amount of movement provided by this space is to allowthe earl of the frameD to pass directly over an inwardly-projecting lugn3, integral of the ear n', and said lug n3 acts as a support to holdthe roller-frame in a tilted position during the time required for tyingtogether the ends of a broken thread, as shown in dotted lines in Fig.2. The broken ends :c2 :r2 of the thread are now tied together. Thethread is passed through the slot :r and carried through thecircularlybent end of the thread-guide w, after which the frame D isbrought from its resting-place upon the lug ln3 and allowed to swingdown until its roller E finds its normal position upon the cloth-coveredshafts. To reduce the wear upon the surface of the roller E by themovement of the thread, the said roller is provided with a band E', madeof bronze or other suitable hard material.

By having the shafts A A mounted in boxes it will be observed that theycan be readily taken out to be re-covered by cloth when the occasionrequires. By the arrangement of the roller device the proper tension isobtained upon the thread during its feeding movement, and at the sametime the use of the roller permits of no more Sizing to be carried bythe thread in its movement from the feed-rolls or cloth-covered shaftsthan is necessary. The slot arrangement of the lifting device allows aready insertion of a thread in case of breakage. Furthermore, by thecompact construction of the roller attachment it will be understood thata large number of these devices can be mounted on the frame of themachine for feeding a large number of threads to be finished or dressed.

This invention is an improvement upon the thread-dressin g machine shownand described in Letters Patent of the United States No. 702,786, issuedto me June 17, 1902.

I claim as a novel and useful invention and desire to secure by LettersPatent- 1. In a thread-dressing machine, the combination of two bracketssecured upon the end frames of the machine, each of said bracketsprovided with a box; two horizontal shafts of equal size and havingtheir ends mounted in the boxes of said brackets; a gear made fast uponeach of said shafts and abutting the inner side of one of said brackets,each of said shafts covered by fabric; a shaft mounted in one of saidbrackets and extending parallel with and centrally of the first-namedshafts; a gear made fast upon one end of said shaft and engaging thegears of the firstnamed shafts;A a cone-pulley rigid upon the oppositeend of said shaft and arranged to receive power to rotate the saidfirst-named ICO shafts in the same direction; and a series ofsimilarly-arranged spring-controlled devices leach carrying a rolleradapted to contact with the fabric of the said first-named shafts andhaving a slot for the insertion of a thread, substantially as shown anddescribed.

2. In a thread-dressing machine, the combination of two horizontallshafts properly mounted on the machine-frame, said shafts located onein front of the other and each covered by cloth, means to rotate each ofsaid cloth-covered shafts in the same direction, a tension device,consisting of a frame pivototally mounted on the machine-frame, eX-tending transversely over the said cloth-covered shafts and providedwith a slot, a circular roller pivotally mounted on the frame of saiddevice and adapted to squeeze out a portion of the size carried by thethread during its movement between said roller and said cloth-coveredshafts, a knee-lever pivotally mounted on the front end of the frame ofsaid device, a springcontrolled latch pivotally mounted on the frame ofsaid device to hold said lever in its normal position, a pull-springconnected to said lever and arranged to hold the said roller in contactwith the said clothcovered shafts, a thread-guide secured upon the frameof said device, and means for permitting a sliding movement of the frameof said device to hold the same in a tilted position, substantially asset forth.

3. In a thread-dressing machine, the combination of two shafts rotatablymounted on shafts in the same direction, a support rigid v upon themachine-frame and having an inwardly-projecting lug, a frame having oneend pivotally mounted on said support and arranged to have lateralmovement thereon whereby its lug can hold it in a tilted position, saidlast-named frame provided with a slot, a knee-lever pivotally mounted onthe other end of said last-n amed frame, a springcontrolled latch tohold said lever in its normal position, a roller pivotally mounted onthe said last-named frame and arranged to engage itsv peripheral surfacewith each of the peripheral surfaces of the said cloth-covered shafts, acoil-spring arranged to hold said disk in contact with saidcloth-covered shafts, and a bracket secured upon the machine-frame andprovided with one or more openings of a size to receive the frame ofsaid roller, substantially as shown and for the purpose specified.

In testimony whereof I aix my signature in presence of two witnesses. i

GEORGE A. FREDENBURGH.

